... DC, AC, pulsed, etc Advantages:1. Closed loop (compensated) Current Transducer with hall effect ,can measure following currents: DC, AC ... Low temperature drift, Optimized response time, No insertion losses, Current overload capability.3. A galvanic isolation between the primary circuit ... power supplies, welding machines, inverter, and so on .Low prices, high quality KA100/SP1 Hall Current Transducer